what does obama need to do to secure a second term? >> first of all, from convention typically we see a bump. so the polls this weekend should probably show a 3, 4, 5 percentage points above for rom they which would put him in the lead in terms of the national race. if the democrats do it right they get the bump back and you see the race just where it is, nationally it's a statistical dead heat. what people never remember, enough, is that you're not looking at a national race, you're looking at 51 races, 50 states, the district of columbia, whoever cobbles together the electoral votes, win 270, wins. >> larry gerston, we appreciate your time. >> still to come, a proud legacy restored in the south bay. we've got the band back together. it's part of bay area proud. this is an rc robotic claw. my high school science teacher made me what i am today. our science teacher helped us build it. ♪ now i'm a geologist at chevron, and i get to help science teachers. it has four servo motors and a wireless microcontroller. over the last three year